The work failed to meet their rigorous standards.

工作没有达到他们的严格标准。

《牛津词典》

Was it a curriculum that appeared more rigorous, perhaps?

或许，这是一门看起来更严格的课程？

youdao

All vitamin supplements would be evaluated in scientifically rigorous clinical trials.

所有维生素补充剂都会经过科学严格的临床试验评估。

youdao

They farm tilapia - mostly in China. Sporns says the U.S.has an international certification process that is rigorous and will catch potential problems.

VOA: standard.2010.05.27

Now to make that lower-of-the-two-prices comment a little bit more rigorous, let's figure out what the demand actually is for these firms.

为了说明两者价格较低者,具体是什么意思,先来解决这些公司真正的需求量是什么

耶鲁公开课 - 博弈论课程节选

He was beginning to join ranks with those early seventeenth-century English Protestants who imposed upon themselves rigorous and strict codes of behavior and self-denial, and who were increasingly being called by their enemies Puritans.

他要开始加入,17世纪早期英国新教徒的行列,那些人把严格的行为准则和自我否认,强加到自己身上，还不断被敌人称为清教徒。

耶鲁公开课 - 弥尔顿课程节选

Surveillance is rigorous - 35, 325 reporting sites across the country are active and pick up cases of Acute Flaccid Paralysis.

BBC: India's battle to finish off polio

The result is a sort of high-quality, unusually rigorous coffee-table book, designed to be dipped into rather than read from beginning to end.

ECONOMIST: Welcome to a world of high living

The talks on these issues were still fluid Tuesday evening, but Mr. Cuomo had considered requiring mental-health screening and more rigorous background-check requirements for gun owners, people familiar with the matter said.

WSJ: Cuomo Seeks Overhaul